Allison 250-C30S
Service difficulty reports · 449
Newest first. General aviation reporting is voluntary.
Query with SQL
duckdb -csv -c "SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet' WHERE engine_model_key = '250C30S' ORDER BY difficulty_date DESC"
Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet' WHERE engine_model_key = '250C30S' ORDER BY difficulty_date DESC
Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
SDR ALG2004F00004Amplifier · inoperativeFIRE WARNING LIGHT ON NR 2 ENGINE ILLUMINATED. NO FIRE WAS SEEN. MAINTENANCE REMOVED AND REPLACED FIRE DETECTOR CONTROL AMP.SDR ALG2004F00000Engine · making metalIN FLIGHT, NR 2 ENGINE CHIP LIGHT CAME ON. MAINTENANCE FOUND METAL ON FWD PLUG ON NR 2 ENGINE. SMALL RING OF TINY FLAKES ON OUTSIDE PERIMETER OF CHIP PLUG. AIRCRAFT AOG FOR ENGINE.SDR 2003FA0001298Nozzle · crackedRECEIVED THE ENGINE FOR REPAIR DUE TO HIGH OIL TEMPERATURE. DURING INSPECTION OF THE PARTS FOUND THE WELD ON 1 OF THE 5 TURBINE NOZZLE DIAPHRAGM RETAINING KEYS WAS CRACKED THROUGH THE CENTER FOR ALMOST ITS ENTIRE LENGTH. TURBINE TSO 613 HOURS (KES WO NR A0SDR ALG2003F00105Chip Detector · contaminatedAT A HOVER READY FOR TAKEOFF, NUMBER ONE ENGINE CHIP LIGHT ILLUMATED AT A HOVER. HAD LANDED AT GALLIANO TO REFUEL. MAINTENANCE FOUND ONE SLIVER ON AFT CHIP PLUG. CLEANED PLUG AND COMPLIED WITH 30 MINUTE RUN AND LEAK CHECK. OPS CHECK GOOD.SDR ALGA091288Pinion Gear · spalledFOUND SPALLING ON PINION GEAR TEETH. SENT PART TO VENDOR FOR WARRANTY CREDIT.SDR ALG2003F00104Pump · failedAIRCRAFT RUNNING ON THE PLATFORM. THE NR 2 HYDRAULIC FAILED WHILE THE AIRCRAFT WAS ON THE PLATFORM, MAINTENANCE WAS NOTIFIED. THE MECHANIC REMOVED AND REPLACED THE NR 2 HYDRAULIC PUMP DUE TO A SHEERED SHAFT, GROUND RUN WAS PERFORMED AND AIRCRAFT WAS RETURNEDSDR ALG2003F00101Relay · failedON PRE-FLIGHT, THE FIRE EXTINGUISHER SYSTEM FAILED. MAINTENANCE WAS INFORMED AND THE MECHANIC REMOVED AND REPLACED THE K2 RELAY IN THE NR 1 RELAY IN THE OVERHEAD PANEL IAW MM. THE AIRCRAFT WAS RETURNED TO SERVICE.(K)SDR ALG2003F00100Compressor · malfunctionedAT HOVER. DURING INITIAL HOVER PRIOR TO TAKE-OFF THE PILOT NOTICED A HIGH PITCH SCREECHING NOISE THAT WAS EVIDENT ONLY DURING HOVER, AT FLAT PITCH THE NOISE GOES AWAY. MAINTENANCE WAS NOTIFIED AND THE MECHANIC CHANGED THE COMPRESSOR, TURBINE AND GEARBOX ASSESDR CA031010002Labyrinth Seal · failed(CAN) SEVERAL CHIP LIGHTS WERE EXPERIENCED DURING OPERATION WHICH PROMPTED THE REMOVALOF ENGINE. MAGNETIC PARTICLES WERE NOTED ON THE UPPER GEARBOX CHIP DETECTOR. UPON FLUSHING THE TURBINE NR 8 BEARING AREA FERROUS PARTICLES AND SILVER FLAKES WERE FOUND. UPON SDR ALG2003F00102Wire · shortedIN CRUISE FLIGHT, SMELLED SMOKE AND SAW SMOKE FLOWING OUT OF OVERHEAD QUADRANT FRONT BY FIRE HANDLES. EXECUTED TURN AROUND TO INTRACOASTAL AND SMOKE STOPPED. FIRE EXTINGUISHER CIRCUIT BREAKERS POPPED. RETURNED TO INTRACOASTAL, EVERYTHING ELSE NORMAL INDICATSDR ALG2003F00072Squat Switch · malfunctionedDURING TAKE OFF PHASE, THE LANDING GEAR WOULD NOT RETRACT, RETURNED TO ARA FOR MAINTENANCE. MAINTENANCE ADJUSTED WEIGHT ON WHEEL SWITCH IAW S76 MM.SDR ALG2003F00095Chip Detector · contaminatedON CLIMB OUT, ON MISSED APPROACH OFF ILS LAKE CHARLES, NR 2 ENGINE CHIP LIGHT ILLUMINATED, THE PILOT FOLLOWED EMERGENCY PORCEDURE CHECKLIST AND THE LANDING WAS UNEVENTFUL AND NOTIFIED MAINTENANCE. THE MECHANIC REMOVED THE NR 2 ENGINE LOWER FORWARD GEARBOX CHISDR ALG2003F00085Wire · damagedAFTER TAKE OFF, WHILE RETRACTING GEAR THE RED GEAR UNLOCK LIGHT STAYED ILLUMINATED. RECYCLED GEAR SEVERAL TIMES WITH THE SAME RESULT. RETURNED TO FOURCHON WHERE MAINTENANCE TROUBLESHOT THE LANDING GEAR, REMOVED AND REPLACED CABLE ASSY PN 76552-00110-109 IAW SDR ALG2003F00084Odor · detectedON TAKE OFF. JUST AS AIRCRAFT CLEARED HELIPORT DEPARTING EI333; DETECTED ODOR SIMILAR TO OVERHEATED BRAKE OIL OR CLUTCH MATERIAL. HAD NO CAUTION, WARNING OR ADVISORY LIGHTS OR INOP EQUIP, CONTINUED 12 MINUTE FLIGHT TO EI 365. ODOR LINGERED AND BECAME ACRID,SDR ALGA088803Pinion Gear · corrodedFOUND CORROSION AND RUST PITTING AT ROOT OF GEAR TEETH. REMOVED AND REPLACED. REQUEST WARRANTY CREDIT DUE TO LOW TIME.SDR HEEA088384Fuel Control · malfunctionedNR 1 START HARD TO MODULATE. TO BE SENT TO VENDOR.SDR HEEA088417Igniter · malfunctionedIGNITER PRODUCING A SLOW START. TO BE SENT TO VENDOR.SDR CA030918006Rod End · sheared(CAN) UPON RETURN FROM A ROUTINE FLIGHT, IT WAS NOTED THAT THE RT EXPLOSIVE LINK ROD END WAS SHEARED. EXPLOSIVE LINK REPLACED WITH SERVICEABLE PART, A/C RETURNED TO SERVICE.SDR ALG2003F00075Oil Cooler · malfunctionedSHORTLY AFTER TAKE OFF, DURING CLIMB OUT NR 2 ENGINE OIL TEMP EXCEDED REDLINE. AIRCRAFT RETURNED TO CREOLE, TEMPERATURE REACHED 115 DEGREES FOR 10 MINUTES, THE MECHANIC CHECKED CHIP PLUGS AND REPLACED THE ENGINE OIL, THERMOSTAT AND OIL COOLER AND HE CHECKED TSDR HEEA088416Igniter · crackedIGNITER INSULATOR CRACKED. TO BE SENT TO VENDOR FOR REPAIR.SDR ALGA088160Gear · spalledHEAVY SPALLING ON GEAR TEETH DUE TO IMPROPER MESHING OF GEAR TEETH. REMOVED AND REPLACED.SDR ALGA088162Pinion Gear · spalledHEAVY SPALLING ON GEAR TEETH,DUE TO IMPROPER MESHING OF GEAR TEETH.SDR ALGA088163Gear · spalledHEAVY SPALLING ON GEAR TEETH, DUE TO IMPROPER MESHING OF GEAR TEETH. REMOVED AND REPLACED.SDR CA030725005Seal · torn(CAN) SHORTLY AFTER INSTALLATION OF A REPAIRED ENGINE (40.5 HRS TSR), OIL COOLER BLOWER SEAL FAILED CAUSING SUBSTANTIAL LEAK FROM ACCESSORY GEARBOX. UPON REMOVAL OF SEAL, AME DISCOVERED A TORN SEAL LIP. IT WAS ALSO DETERMINED THAT INSTEAD OF ONE SPRING, (OR NSDR HEEA088415Igniter · failedENGINE WOULD NOT START. IGNITER TO BE SENT TO VENDOR FOR REPAIR.SDR HEEA088387Fuel Control · surgesFUEL CONTROL SURGING. TO BE SENT TO VENDOR.SDR HEEA088363Engine · leakingENGINE LEAKS OIL.SDR HEEA088389Engine · malfunctionedENGINE PRODUCING LOWER POWER ASSURANCE MARGIN TREND. TO BE SENT TO VENDOR.SDR ALGA087895Gear · spalledFOUND SPALLING ON FWD. GEAR TEETH. REMOVED AND REPLACED WITH NEW PART.SDR ALG2003F00078Connector · contaminatedDURING THE PRESTART CHECKS. THE FIRE T HANDLE FOR THE NR 1 ENGINE WOULD NOT TEST. WATER FOUND IN SYSTEM CONNECTORS, CONNECTORS DRIED AND REINSTALLED, SYSTEM CHECKED GOOD.SDR ALG2003F00096Warning Light · false indicationPRIOR TO TAKE OFF, DURING THE FLOAT SYSTEM TEST, WHEN THE TEST SWITCH WAS PLACED IN THE TEST POSITION ALL CAUTION LIGHTS ILLUMINATED. (SAME AS PRESSING CAUTION PANEL TEST SWITCH). THE PILOT ALERTED MAINTENANCE, THE MECHANIC REMOVED AND REPLACED THE CAUTION PSDR ALGA087757Seal · leakingTAIL ROTOR GEARBOX INPUT SEAL LEAKED WHEN RUN-UP ON TEST STAND.SDR ALGA087758Seal · leakingTAIL ROTOR GEARBOX OUTPUT SEAL LEAKED WHEN RUN-UP ON TEST STAND.SDR ALGA087751Seal · leakingMULTIPLE INPUT SEALS LEAKING WHEN RUN-UP ON TEST STAND. REPLACED SEALS WITH NEW.SDR HEEA087121Fuel Control · malfunctionedANTICIPATOR ROUGH, CAUSING TRIM MOTOR SLOW RESPONSE.SDR ALGA086421Mount · mismanufacturedFOUND MOUNT PAD MEASURING BELOW MIN. LIMITS.SDR 2003FA0000626Nozzle · crackedRECEIVED THE ENGINE FOR REPAIR DUE TO HIGH OIL TEMPERATURE. DURING INSPECTION OF THE PARTS FOUND THE WELD ON 1 OF THE 5 TURBINE NOZZLE DIAPHRAGM RETAINING KEYS WAS CRACKED THROUGH THE CNETER FOR ALMOST ITS ENTIRE LENGTH.SDR CA030415004Pump · failed(CAN) AIRCRAFT MASTER CAUTION LIGHT ' NR 2 OIL PRESSURE ' ILLUMINATED IN CRUISE. THE OIL PRESSURE GAUGE WAS AT 50 PSI AND THE NR 2 ENGINE TORQUE METER GAUGE WAS READING LOW AND FLUCTUATING. THE FLIGHT CREW BROUGHT THE ENGINE TO FLIGHT IDLE AND DID A PRECAUTIONSDR ALG2003F00058Light · inoperativeDURING START, THE NR 2 ENGINE FIRE DETECTION (T) HANDLE LIGHT WOULD NOT ILLUMINATE. THE MECHANIC REPAIRED THE WIRE IAW MM. OPERATIONAL CHECK WAS PERFORMED AND THE AIRCRAFT WAS RETURNED TO SERVICE.SDR ALG2003F00057Warning Light · illuminatedDURING TAKE OFF, THE NR 1 HYDRAULIC LIGHT ILLUMINATED. THE PILOT FOLLOWED THE CHECKLIST AND LANDED ON HI 389. THE MECHANIC CHECKED THE NR 1 HYDRAULIC SYSTEM PRESSURE CONTROL AND WARNING SYSTEM COMPLIED WITH GROUND RUN AND OPS CHECK. NO DEFECT NOTED.SDR ALG2003F00065Connector · malfunctionedDURING CLIMB OUT, NR 1 SERVO CAUTION LIGHT ILLUMINATED, THE PILOT THEN FOLLOWED THE CHECKLIST PROCEDURES. IT REOCCURRED AGAIN BEFORE LANDING. THE INDICATION WAS A MOMENTARY SERVO JAM, UPON LANDING THE MECHANIC FOUND CONNECTORS CORRODED ON NR 1 HYDRAULIC MODUSDR CA030409002Seal · disintegrated(CAN) UPON INSTALLATION OF OVERHAULED ENGINE, DURING INITIAL GROUND RUN, AME NOTICED EXCESSIVE OIL LEAK FROM OIL COOLER BLOWER PAD (FRONT SPARE ACCESSORY DRIVE PAD). ENGINE WAS SHUT DOWN.UPON INSPECTION, WHEN OIL COOLER BLOWER WAS REMOVED, IT WAS FOUND THAT TSDR CA030204017Tube · contaminated(CAN) THE AIRCRAFT WAS ON A TRAINING FLIGHT. NR 1 ENGINE WAS IN THE FLIGHT IDLE POSITION. WHEN IT WAS BROUGHT BACK TO THE FLY POSITION IT BEGAN TO SURGE ANYTIME THE ENGINE TORQUE WAS ABOVE 40 PERCENT. THE ENGINE WAS TRIMMED TO 40 PERCENT TORQUE AND RETURNED TOSDR CA030204015Chip Detector · shorted(CAN) IN CRUISE FLIGHT AT 5000 FT, TAIL ROTOR GEARBOX HOT/CHIP LIGHT CAME ON. FLIGHT CREW ASKED FOR AND RECEIVED IMMEDIATE DESCENT INTO CYYJ. THE AIRCRAFT LANDED AND WAS SHUTDOWN NORMALLY. THE ENGINEER REMOVED CHIP PLUG AND FOUND NO METAL. WHEN REINSTALLED THESDR CA030204016Float · deployed(CAN) PRE-TAKE OFF CHECKS WERE COMPLETED FOR FLIGHT. AC WAS TURNED INTO WIND AND TAXIED FORWARD TO STRAIGHTEN OUT NOSE WHEEL. ONCE DONE THE TOE BRAKES WERE APPLIED BY THE COPILOT AND THE PILOT BECAUSE THE AC WAS ROLLING FORWARD. IMMEDIATELY, FLOATS WERE ACTIVSDR ALG2003F218APlug · debondedDISCOVERED DURING ROUTINE MAINTENANCE INSPECTION. SPAR ELLIPTICAL PLUG 100 PERCENT DEBONDED. NEW PLUG INSTALLED AT MFG O AND R 12-26-00 AT COMPONENT TOTAL TIME 11978.5.SDR ALG2003F00006Link · out of adjustAFTER TAKE OFF, THE UNSAFE LIGHT WOULD NOT GO OUT AFTER THE LANDING GEAR WAS RETRACTED. UPON LANDING THE MECHANIC ADJUSTED THE LT MAIN GEAR DOOR AT EXPLOSIVE LINK AND THE AIRCRAFT WAS RETURNED TO SERVICE.SDR ALG2003F00009Pressure Switch · failedDURING RUN-UP CHECK, BOTH NR 1 AND NR 2 ENGINE FUEL PRESSURE LIGHT ILLUMINATED. WHEN THROTTLES WERE ADVANCED FROM IDLE AND AIRCRAFT WAS BROUGHT TO A HOVER DURING HOVER TURN BOTH NR 1 AND NR 2 FUEL PRESSURE LIGHTS FLICKED AND STAYED ON. THE MECHANIC REMOVED ASDR ALG2003F00030Engine · inoperativeIN CRUISE FLIGHT, AT APPROXIMATELY 16:40, NR 2 ENGINE NR2 SPED TO 112 PERCENT- 114 PERCENT RIGHT YAW EXPERIENCED, NR 2 ENGINE LEVER WAS RETARTED TO CONTROL N2/NR. NR 2 ENGINE CHIP LIGHT ILLUMINATED AFTER 3-4 SECONDS AFTER ENGINE LEVER WAS RETARTED, AT THIS TSDR ALG2003F00015Hydraulic System · lowIN CRUISE FLIGHT PILOT NOTICED A KICK IN THE FLIGHT CONTROLS AND A SLIGHT FLUCTUATION IN NR 2 HYDRAULIC GAUGE THIS WAS FOLLOWED BY CHATTERING IN THE CYCLIC CONTROL, AIRCRAFT RETURNED TO BASE AND UPON INSPECTION MECHANIC DISCOVERED THE NR 1 HYDRAULIC SYSTEM WAS
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